package com.j180.service;

import com.j180.bean.BookBean;

import java.util.List;

public interface IBookService {

    public List<BookBean> showAllBooks();
    public BookBean showBookById(int id);
    public int  addBook(BookBean bookBean);
    public int  deleteBookInfo( int id);
    public int  updatetBookInfo(BookBean bookBean);

}
